Science questions

1) When a gas is turned into a liquid, the process is called 

 A.    condensation

 B.    evaporation

 C.    deposition

 D.    sublimation

2) Which of the following parts of the sun is easily visible only during a total solar eclipse? 

A.    core

 B.    photosphere

 C.    sunspots

 D.    corona

3) Earth's seasons are caused by which of the following? 

A.    The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun

B.    The varying amount of sunspot activity

C.    The earth's orbit around the sun as an eclipse rather than a circle

D.    The rotation of during a 24-hour day

4) Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future? 

A.    Atomic warfare

B.    CO2 from fossil fuels

C.    Dust clouds from volcanoes

 D.    Depletion of earth's ozone layer

5) The accumulation of stress along the boundaries of lithospheric plates results in which of the following? 

 A.    Earthquakes

B.    Magnetic reversals

C.    Hurricanes

 D.    Increased deposition of deep-sea sediments

6) Which of the following elements is a metal 

 A.    S

B.    Se

C.    I

D.    Ga

7) Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force? 

A.    The north pole of another permanent magnet

B.    A piece of iron that is not a permanent magnet

 C.    A positively charged glass rod

 D.    A negatively charged rubber rod

8) Pollination by birds is called 

 A.    autogamy

B.    ornithophily

C.    entomophily

D.    anemophily

9) The fastest-running terrestrial animal is 

A.    cheetah

B.    lion

C.    man

D.    jaguar

10) As you go down into a well, your weight 

A.    increases slightly

 B.    decreases slightly

 C.    remains exactly the same

 D.    None of the above